Find the center and radius of this
circle:
(x + 9)2+(y - 6)2= 25
center = ([? ][ ])
radius = [ ]

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Solve the x in the equation x^2+14x+17=-96

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11